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819 lines (777 loc) · 28.4 KB
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import type {
EventSubscribeOutput,
JsonValue,
LLMToolContent,
LocationRef,
OpenCodeClient,
SessionMessageAssistantTool,
SessionMessageInfo,
} from "@opencode-ai/client/promise"
import { SessionMessage } from "@opencode-ai/schema/session-message"
import { EOL } from "node:os"
import { readFile } from "node:fs/promises"
import { nonEmptyToolContent, toolOutputText, type MiniToolPart } from "@opencode-ai/tui/mini/tool"
import { UI } from "./ui"
type Model = {
providerID: string
modelID: string
}
type File = {
url: string
filename: string
mime: string
}
type Input = {
client: OpenCodeClient
sessionID: string
location: LocationRef
message: string
files: File[]
agent?: string
model?: Model
variant?: string
thinking: boolean
format: "default" | "json"
auto: boolean
/** True when the client is attached to a shared server rather than an exclusive in-process one. */
attached: boolean
compatibility?: "v1"
renderTool: (part: SessionMessageAssistantTool) => Promise<void>
renderToolError: (part: SessionMessageAssistantTool) => Promise<void>
}
type StartedPart = {
id: string
timestamp: number
}
type ToolState = StartedPart & {
assistantMessageID: string
tool: string
input: Record<string, JsonValue>
raw?: string
provider?: unknown
providerState?: SessionMessageAssistantTool["providerState"]
metadata: Record<string, JsonValue>
content: LLMToolContent[]
}
type V2Event = EventSubscribeOutput
type FormRequest = Extract<V2Event, { type: "form.created" }>["data"]["form"]
// MCP elicitations are temporarily owned by the "global" sentinel instead of a real
// session. An exclusive local process may treat them as this run's blockers; an
// attached client must not cancel input that may belong to another session.
const GLOBAL_FORM_SESSION_ID = "global"
export async function runNonInteractivePrompt(input: Input) {
const controller = new AbortController()
const stream = input.client.event.subscribe({ signal: controller.signal })[Symbol.asyncIterator]()
const connected = await stream.next()
if (connected.done) throw new Error("Event stream disconnected before prompt admission")
const messageID = SessionMessage.ID.create()
const starts = new Map<string, StartedPart>()
const tools = new Map<string, ToolState>()
const renderedText = new Map<string, string>()
const renderedReasoning = new Map<string, string>()
const renderedTools = new Set<string>()
let submitted = false
let promoted = false
let emittedError = false
let permissionRejected = false
let formCancelled = false
let interrupted = false
let v1InvalidOutput = false
let prePromotionError: { message: string; [key: string]: unknown } | undefined
let finalizing = false
let admission: AbortController | undefined
let pendingStep: { timestamp: number; part: Record<string, unknown>; label: string } | undefined
const emit = (type: string, timestamp: number, data: Record<string, unknown>) => {
if (input.format !== "json") return false
process.stdout.write(JSON.stringify({ type, timestamp, sessionID: input.sessionID, ...data }) + EOL)
return true
}
const writeText = (part: { text: string; [key: string]: unknown }, timestamp: number) => {
if (emit("text", timestamp, { part })) return
const text = part.text.trim()
if (!text) return
if (!process.stdout.isTTY) {
process.stdout.write(text + EOL)
return
}
UI.empty()
UI.println(text)
UI.empty()
}
const writeReasoning = (part: { text: string; [key: string]: unknown }, timestamp: number) => {
if (emit("reasoning", timestamp, { part })) return
const text = part.text.trim()
if (!text) return
const line = `Thinking: ${text}`
if (!process.stdout.isTTY) return void process.stdout.write(line + EOL)
UI.empty()
UI.println(`${UI.Style.TEXT_DIM}\u001b[3m${line}\u001b[0m${UI.Style.TEXT_NORMAL}`)
UI.empty()
}
const flushStep = () => {
if (!pendingStep) return
const value = pendingStep
pendingStep = undefined
if (!emit("step_start", value.timestamp, { part: value.part }) && input.format !== "json") {
UI.empty()
UI.println(value.label)
UI.empty()
}
}
const replyPermission = async (request: { id: string; action: string; resources: ReadonlyArray<string> }) => {
if (!input.auto) {
permissionRejected = true
UI.println(
UI.Style.TEXT_WARNING_BOLD + "!",
UI.Style.TEXT_NORMAL +
`permission requested: ${request.action} (${request.resources.join(", ")}); auto-rejecting`,
)
}
await input.client.permission
.reply({
sessionID: input.sessionID,
requestID: request.id,
reply: input.auto ? "once" : "reject",
})
.catch(() => {})
if (!input.auto) {
await input.client.session.interrupt({ sessionID: input.sessionID }).catch(() => {})
}
}
const cancelForm = async (request: Pick<FormRequest, "id" | "sessionID">) => {
try {
await input.client.form.cancel(
{ sessionID: request.sessionID, formID: request.id },
...formRequestOptions(request.sessionID === GLOBAL_FORM_SESSION_ID ? input.location : undefined),
)
} catch (error) {
if (!formAlreadySettled(error)) throw error
}
formCancelled = true
}
const consume = async () => {
while (!controller.signal.aborted) {
const next = await stream.next().catch((error) => {
if (!emittedError) throw error
return { done: true as const, value: undefined }
})
if (next.done) {
if (emittedError) return
throw new Error("Event stream disconnected during prompt execution")
}
const event = next.value
if (event.type === "permission.v2.asked" && submitted && event.data.sessionID === input.sessionID) {
await replyPermission(event.data)
continue
}
if (
event.type === "form.created" &&
submitted &&
(event.data.form.sessionID === input.sessionID ||
(!input.attached &&
event.data.form.sessionID === GLOBAL_FORM_SESSION_ID &&
sameLocation(event.location, input.location)))
) {
await cancelForm(event.data.form)
continue
}
if (!("sessionID" in event.data) || event.data.sessionID !== input.sessionID) continue
const time = toMillis("created" in event ? event.created : undefined)
if (event.type === "session.input.promoted") {
if (event.data.inputID === messageID) {
promoted = true
prePromotionError = undefined
continue
}
}
if (
event.type === "session.execution.interrupted" &&
event.data.reason === "user" &&
(interrupted || permissionRejected || formCancelled)
) {
return
}
if (!promoted && event.type === "session.execution.failed") {
prePromotionError = event.data.error
if (finalizing) return
continue
}
if (
!promoted &&
finalizing &&
(event.type === "session.execution.succeeded" || event.type === "session.execution.interrupted")
)
return
if (!promoted) continue
if (finalizing && !event.type.startsWith("session.execution.")) continue
if (event.type === "session.step.started") {
const part = {
id: partID(event.id),
sessionID: input.sessionID,
messageID: event.data.assistantMessageID,
type: "step-start",
snapshot: event.data.snapshot,
}
if (input.compatibility === "v1") {
pendingStep = {
timestamp: time,
part,
label: `> ${event.data.agent} · ${event.data.model.id}`,
}
continue
}
if (!emit("step_start", time, { part }) && input.format !== "json") {
UI.empty()
UI.println(`> ${event.data.agent} · ${event.data.model.id}`)
UI.empty()
}
continue
}
if (event.type === "session.text.started") {
flushStep()
starts.set(`text\u0000${contentKey(event.data.assistantMessageID, event.data.ordinal)}`, {
id: partID(event.id),
timestamp: time,
})
continue
}
if (event.type === "session.text.ended") {
const key = contentKey(event.data.assistantMessageID, event.data.ordinal)
const started = starts.get(`text\u0000${key}`)
starts.delete(`text\u0000${key}`)
const part = {
id: started?.id ?? partID(event.id),
sessionID: input.sessionID,
messageID: event.data.assistantMessageID,
type: "text",
text: event.data.text,
time: { start: started?.timestamp ?? time, end: time },
}
renderedText.set(key, event.data.text)
writeText(part, time)
continue
}
if (event.type === "session.reasoning.started") {
flushStep()
starts.set(`reasoning\u0000${contentKey(event.data.assistantMessageID, event.data.ordinal)}`, {
id: partID(event.id),
timestamp: time,
})
continue
}
if (event.type === "session.reasoning.ended" && input.thinking) {
const key = contentKey(event.data.assistantMessageID, event.data.ordinal)
const started = starts.get(`reasoning\u0000${key}`)
starts.delete(`reasoning\u0000${key}`)
const part = {
id: started?.id ?? partID(event.id),
sessionID: input.sessionID,
messageID: event.data.assistantMessageID,
type: "reasoning",
text: event.data.text,
metadata: event.data.state,
time: { start: started?.timestamp ?? time, end: time },
}
renderedReasoning.set(key, event.data.text)
writeReasoning(part, time)
continue
}
if (event.type === "session.tool.input.started") {
flushStep()
tools.set(toolKey(event.data.assistantMessageID, event.data.callID), {
id: partID(event.id),
timestamp: time,
assistantMessageID: event.data.assistantMessageID,
tool: event.data.name,
input: {},
metadata: {},
content: [],
})
continue
}
if (event.type === "session.tool.input.ended") {
const current = tools.get(toolKey(event.data.assistantMessageID, event.data.callID))
if (current) current.raw = event.data.text
continue
}
if (event.type === "session.tool.input.delta") {
const current = tools.get(toolKey(event.data.assistantMessageID, event.data.callID))
if (current) current.raw = (current.raw ?? "") + event.data.delta
continue
}
if (event.type === "session.tool.called") {
flushStep()
const key = toolKey(event.data.assistantMessageID, event.data.callID)
const current = tools.get(key)
tools.set(key, {
id: current?.id ?? partID(event.id),
timestamp: current?.timestamp ?? time,
assistantMessageID: event.data.assistantMessageID,
tool: current?.tool ?? "tool",
input: event.data.input,
raw: current?.raw,
provider: { executed: event.data.executed, state: event.data.state },
providerState: event.data.state,
metadata: {},
content: [],
})
continue
}
if (event.type === "session.tool.progress") {
const current = tools.get(toolKey(event.data.assistantMessageID, event.data.callID))
if (current) {
current.metadata = event.data.metadata
}
continue
}
if (event.type === "session.tool.success") {
const key = toolKey(event.data.assistantMessageID, event.data.callID)
const current = tools.get(key) ?? fallbackTool(event)
const tool: SessionMessageAssistantTool = {
type: "tool",
id: event.data.callID,
name: current.tool,
executed: event.data.executed,
providerState: current.providerState,
providerResultState: event.data.resultState,
state: {
status: "completed",
input: current.input,
metadata: event.data.metadata,
content: event.data.content,
},
time: { created: current.timestamp, ran: current.timestamp, completed: time },
}
const part: MiniToolPart = {
id: current.id,
sessionID: input.sessionID,
messageID: event.data.assistantMessageID,
type: "tool",
callID: event.data.callID,
tool: current.tool,
state: {
status: "completed",
input: current.input,
output: toolOutputText(current.tool, event.data.content),
title: current.tool,
metadata: {
metadata: event.data.metadata,
content: event.data.content,
providerCall: current.provider,
providerResult: { executed: event.data.executed, state: event.data.resultState },
rawInput: current.raw,
},
time: { start: current.timestamp, end: time },
},
}
tools.delete(key)
renderedTools.add(key)
if (!emit("tool_use", time, { part })) await input.renderTool(tool)
continue
}
if (event.type === "session.tool.failed") {
const key = toolKey(event.data.assistantMessageID, event.data.callID)
const current = tools.get(key) ?? fallbackTool(event)
const error = event.data.error.message
const metadata = event.data.metadata ?? current.metadata
const content = event.data.content ?? nonEmptyToolContent(current.content)
const tool: SessionMessageAssistantTool = {
type: "tool",
id: event.data.callID,
name: current.tool,
executed: event.data.executed,
providerState: current.providerState,
providerResultState: event.data.resultState,
state: {
status: "error",
input: current.input,
metadata,
content,
error: event.data.error,
},
time: { created: current.timestamp, ran: current.timestamp, completed: time },
}
const part: MiniToolPart = {
id: current.id,
sessionID: input.sessionID,
messageID: event.data.assistantMessageID,
type: "tool",
callID: event.data.callID,
tool: current.tool,
state: {
status: "error",
input: current.input,
error,
metadata: {
providerCall: current.provider,
providerResult: { executed: event.data.executed, state: event.data.resultState },
rawInput: current.raw,
},
time: { start: current.timestamp, end: time },
},
}
tools.delete(key)
renderedTools.add(key)
if (input.compatibility === "v1" && (permissionRejected || formCancelled)) continue
if (!emit("tool_use", time, { part })) {
if (content && toolOutputText(current.tool, content).trim())
await input.renderTool({
...tool,
state: {
status: "completed",
input: current.input,
metadata,
content,
},
})
await input.renderToolError(tool)
UI.error(error)
}
continue
}
if (event.type === "session.step.ended") {
flushStep()
const part = {
id: partID(event.id),
sessionID: input.sessionID,
messageID: event.data.assistantMessageID,
type: "step-finish",
reason: event.data.finish,
snapshot: event.data.snapshot,
cost: event.data.cost,
tokens: event.data.tokens,
}
emit("step_finish", time, { part })
continue
}
if (event.type === "session.step.failed") {
if (
input.compatibility === "v1" &&
event.data.error.message === "Provider stream ended without a terminal finish event"
) {
pendingStep = undefined
v1InvalidOutput = true
continue
}
if (interrupted || permissionRejected || formCancelled) continue
flushStep()
emittedError = true
process.exitCode = 1
if (!emit("error", time, { error: event.data.error })) UI.error(event.data.error.message)
continue
}
if (event.type === "session.execution.failed") {
if (input.compatibility === "v1" && (v1InvalidOutput || permissionRejected || formCancelled)) return
flushStep()
if (!emittedError && !formCancelled) {
emittedError = true
process.exitCode = 1
if (!emit("error", time, { error: event.data.error })) UI.error(event.data.error.message)
}
return
}
if (event.type === "session.execution.interrupted") {
if (input.compatibility === "v1" && (permissionRejected || formCancelled)) return
if (event.data.reason === "user" && interrupted) process.exitCode = 130
if (event.data.reason !== "user" && !emittedError) {
emittedError = true
process.exitCode = 1
const error = { type: "aborted" as const, message: `Session interrupted: ${event.data.reason}` }
if (!emit("error", time, { error })) UI.error(error.message)
}
return
}
if (event.type === "session.execution.succeeded") return
}
}
const projectedMessages = async () => {
const messages: SessionMessageInfo[] = []
let cursor: string | undefined
while (true) {
const page = await input.client.message.list(
cursor
? { sessionID: input.sessionID, limit: 200, cursor }
: { sessionID: input.sessionID, limit: 200, order: "desc" },
)
for (const message of page.data) {
if (message.id === messageID) return { found: true, messages: messages.toReversed() }
messages.push(message)
}
cursor = page.cursor.next ?? undefined
if (!cursor) return { found: false, messages: [] }
}
}
const reconcile = async () => {
const projected = await projectedMessages()
for (const message of projected.messages) {
if (message.type !== "assistant") continue
const timestamp = message.time.completed ?? message.time.created
let textOrdinal = 0
let reasoningOrdinal = 0
for (const item of message.content) {
if (item.type === "text") {
const ordinal = textOrdinal++
const key = contentKey(message.id, ordinal)
const rendered = renderedText.get(key) ?? ""
if (rendered === item.text || !item.text.startsWith(rendered)) continue
const text = item.text.slice(rendered.length)
writeText(
{
id: projectedPartID(message.id, `text-${ordinal}`),
sessionID: input.sessionID,
messageID: message.id,
type: "text",
text,
time: { start: message.time.created, end: timestamp },
},
timestamp,
)
renderedText.set(key, item.text)
continue
}
if (item.type === "reasoning") {
const ordinal = reasoningOrdinal++
if (!input.thinking) continue
const key = contentKey(message.id, ordinal)
const rendered = renderedReasoning.get(key) ?? ""
if (rendered === item.text || !item.text.startsWith(rendered)) continue
const text = item.text.slice(rendered.length)
const part = {
id: projectedPartID(message.id, `reasoning-${ordinal}`),
sessionID: input.sessionID,
messageID: message.id,
type: "reasoning",
text,
metadata: item.state,
time: { start: message.time.created, end: timestamp },
}
renderedReasoning.set(key, item.text)
writeReasoning(part, timestamp)
continue
}
const key = toolKey(message.id, item.id)
if (renderedTools.has(key) || item.state.status === "streaming" || item.state.status === "running") continue
const part: MiniToolPart = {
id: projectedPartID(message.id, `tool-${item.id}`),
sessionID: input.sessionID,
messageID: message.id,
type: "tool",
callID: item.id,
tool: item.name,
state:
item.state.status === "completed"
? {
status: "completed",
input: item.state.input,
output: toolOutputText(item.name, item.state.content),
title: item.name,
metadata: { metadata: item.state.metadata, content: item.state.content },
time: { start: item.time.ran ?? item.time.created, end: item.time.completed ?? timestamp },
}
: {
status: "error",
input: item.state.input,
error: item.state.error.message,
metadata: { metadata: item.state.metadata, content: item.state.content },
time: { start: item.time.ran ?? item.time.created, end: item.time.completed ?? timestamp },
},
}
renderedTools.add(key)
if (emit("tool_use", timestamp, { part })) continue
if (item.state.status === "completed") {
await input.renderTool(item)
continue
}
if (item.state.content && toolOutputText(item.name, item.state.content).trim()) {
await input.renderTool({
...item,
state: {
status: "completed",
input: item.state.input,
metadata: item.state.metadata,
content: item.state.content,
},
})
}
await input.renderToolError(item)
UI.error(item.state.error.message)
}
if (message.error && !emittedError) {
emittedError = true
process.exitCode = 1
if (!emit("error", timestamp, { error: message.error })) UI.error(message.error.message)
}
}
return {
found: projected.found,
responded: projected.messages.some((message) => message.type === "assistant"),
}
}
const interrupt = () => {
if (interrupted) process.exit(130)
interrupted = true
process.exitCode = 130
admission?.abort()
void input.client.session.interrupt({ sessionID: input.sessionID }).catch(() => {})
}
process.on("SIGINT", interrupt)
let completed: Promise<void> | undefined
try {
if (input.agent) {
await input.client.session.switchAgent({ sessionID: input.sessionID, agent: input.agent })
}
const selected = input.model
? { providerID: input.model.providerID, id: input.model.modelID, variant: input.variant }
: input.variant
? await input.client.session
.get({ sessionID: input.sessionID })
.then((result) => result.model)
.then(async (model) => {
if (model) return { ...model, variant: input.variant }
const result = await input.client.model.default()
const fallback = result.data
return fallback ? { providerID: fallback.providerID, id: fallback.id, variant: input.variant } : undefined
})
: undefined
if (input.variant && !selected) throw new Error("Cannot select a variant before selecting a model")
if (selected) {
await input.client.session.switchModel({ sessionID: input.sessionID, model: selected })
}
const prepared = await Promise.all(input.files.map(prepareFile))
if (interrupted) return
submitted = true
completed = consume()
admission = new AbortController()
const response = await input.client.session
.prompt(
{
sessionID: input.sessionID,
id: messageID,
text: [input.message, ...prepared.flatMap((file) => (file.text ? [file.text] : []))].join("\n\n"),
files: prepared.flatMap((file) => (file.attachment ? [file.attachment] : [])),
delivery: "steer",
},
{ signal: admission.signal },
)
.catch(async (error) => {
if (interrupted) {
await input.client.session.interrupt({ sessionID: input.sessionID }).catch(() => {})
}
controller.abort()
await completed?.catch(() => {})
if (interrupted || emittedError) return undefined
throw error
})
admission = undefined
if (!response) return
if (interrupted) await input.client.session.interrupt({ sessionID: input.sessionID }).catch(() => {})
const [permissions, forms, globals] = await Promise.all([
input.client.permission.list({ sessionID: input.sessionID }).catch(() => undefined),
input.client.form.list({ sessionID: input.sessionID }).catch(() => undefined),
input.attached
? Promise.resolve(undefined)
: input.client.form.request
.list({
location: { directory: input.location.directory, workspace: input.location.workspaceID },
})
.catch(() => undefined),
])
await Promise.all([
...(permissions ?? []).map(replyPermission),
...(forms ?? []).map(cancelForm),
...(globals && sameLocation(globals.location, input.location)
? globals.data.filter((form) => form.sessionID === GLOBAL_FORM_SESSION_ID).map(cancelForm)
: []),
])
if (input.compatibility === "v1") {
await completed
return
}
const waiting = input.client.session.wait({ sessionID: input.sessionID })
await Promise.race([waiting, completed.then(() => waiting)])
finalizing = true
const projected = await reconcile()
if (
!projected.responded &&
!interrupted &&
!permissionRejected &&
!formCancelled &&
!emittedError &&
!prePromotionError
) {
await completed
}
if (!projected.found && !interrupted && !permissionRejected && !formCancelled && !emittedError) {
const error = prePromotionError ?? { type: "unknown", message: "Prompt was not promoted" }
emittedError = true
process.exitCode = 1
if (!emit("error", Date.now(), { error })) UI.error(error.message)
}
} finally {
process.off("SIGINT", interrupt)
controller.abort()
if (input.compatibility === "v1") await stream.return?.(undefined).catch(() => {})
else void stream.return?.(undefined).catch(() => {})
}
}
function sameLocation(left: LocationRef | undefined, right: LocationRef) {
return !!left && left.directory === right.directory && left.workspaceID === right.workspaceID
}
function formRequestOptions(location: LocationRef | undefined): [] | [{ headers: Record<string, string> }] {
if (!location) return []
return [
{
headers: {
"x-opencode-directory": encodeURIComponent(location.directory),
...(location.workspaceID ? { "x-opencode-workspace": location.workspaceID } : {}),
},
},
]
}
function formAlreadySettled(error: unknown) {
return !!error && typeof error === "object" && Reflect.get(error, "_tag") === "FormAlreadySettledError"
}
function partID(eventID: string) {
return `prt_${eventID.replace(/^evt_/, "")}`
}
function toolKey(messageID: string, callID: string) {
return `${messageID}\u0000${callID}`
}
function contentKey(messageID: string, ordinal: number) {
return `${messageID}\u0000${ordinal}`
}
function projectedPartID(messageID: string, part: string) {
return `prt_${messageID.replace(/^msg_/, "")}_${part}`
}
function fallbackTool(event: {
id: string
created: number
data: { assistantMessageID: string; callID: string }
}): ToolState {
return {
id: partID(event.id),
timestamp: toMillis(event.created),
assistantMessageID: event.data.assistantMessageID,
tool: "tool",
input: {},
metadata: {},
content: [],
}
}
function toMillis(value: unknown) {
if (typeof value === "number") return value
if (typeof value === "string") return new Date(value).getTime()
return Date.now()
}
async function prepareFile(file: File) {
if (file.mime !== "text/plain") {
const uri = file.url.startsWith("data:")
? file.url
: `data:${file.mime};base64,${(await readFile(new URL(file.url))).toString("base64")}`
return { attachment: { uri, name: file.filename } }
}
const content = file.url.startsWith("data:")
? Buffer.from(file.url.slice(file.url.indexOf(",") + 1), "base64").toString("utf8")
: await readFile(new URL(file.url), "utf8")
return { text: `<file name="${file.filename}">\n${content}\n</file>` }
}
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